Here are the most common water quality parameters tested by freshwater fish farmers - in one rugged carrying case. The kit features LaMotte's deluxe octa-slide comparators. An armored thermometer (-5 to 45deg;C) is included. Kit weighs 10 lbs, refill kit weighs .5 lb.
NEVER install an air pump BELOW water level! (Unless you install a check valve in the line!) If at any time your power supply to your air pump is interrupted, water will back siphon down the delivery tube and flood the pump workings, rendering the pump inoperative.